Re: [cip-dev] [PATCH 4.19.y-cip 01/12] arm64: dts: renesas: r8a774a1-hihope-rzg2m[-ex/-ex-idk-1110wr]: Rename HiHope RZ/G2M boards

["Pavel Machek" <pavel@ucw.cz>]

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Hi!

> > I believe it would be better to always use explicit revision in these cases;
> > anything else is fairly confusing, as kernel update breaks your setup (aka a
> > regresssion).
> >
> > Now, if -rev2 had few copies, and people really have -rev4, there will not be
> > much breakage. But imagine if rare -rev5 is released in future...
> >
> > But mainline already made the choice. I'd just prefer not making same choice
> > in future.
> >
> > Now, what to do here? One way would be to apply a series, but add a
> > README.cip file explaining incompatible change (and any future stuff people
> > need to know).
> 
> OK. Either README.cip or " by including more information on the reference hardware and test information on CIP wiki." as suggested by Nobuhiro.
> Please let us know, How do we want to proceed?
>

I guess we should really have README file in the tree, explaining
potential compatibility issues and anything unusual happening in the
tree. I went through old changelogs, and collected these for 4.19
tree:

* -cip3: MDS sampling vulnerability fixes

This release includes many CVE fixes including MDS (Microarchitectural
Data Sampling: CVE-2018-12130, CVE-2018-12126, CVE-2018-12127,
CVE-2019-11091). These fixes were more extensive and harder to review
than usual for -stable tree.

* -cip9: m57621-mmc driver was removed

m57621-mmc driver was removed due to uncertainty about its licensing.

* -cip34: Support for Renesas RZ/G2[MN] revision 4 board

In -cip34, support for revision 4 of the board was merged. After the
merge, r8a774a1-hihope-rzg2m*.dtb files are suitable for revision 4 of
the board; if you want to produce dtb files for revision 2 of the
board, append -rev2 to the file names.

---

Does that sound ok?

Best regards,
								Pavel
-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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